//package com.example.demo.config;
//
//import com.fasterxml.jackson.annotation.JsonAutoDetect;
//import com.fasterxml.jackson.annotation.PropertyAccessor;
//import com.fasterxml.jackson.databind.ObjectMapper;
//import org.slf4j.Logger;
//import org.slf4j.LoggerFactory;
//import org.springframework.beans.factory.annotation.Value;
//import org.springframework.cache.CacheManager;
//import org.springframework.cache.annotation.CachingConfigurerSupport;
//import org.springframework.cache.annotation.EnableCaching;
//import org.springframework.context.annotation.Bean;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.data.redis.cache.RedisCacheConfiguration;
//import org.springframework.data.redis.cache.RedisCacheManager;
//import org.springframework.data.redis.connection.RedisConnectionFactory;
//import org.springframework.data.redis.core.RedisTemplate;
//import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
//import org.springframework.data.redis.serializer.RedisSerializationContext;
//import org.springframework.data.redis.serializer.RedisSerializer;
//import org.springframework.data.redis.serializer.StringRedisSerializer;
//import redis.clients.jedis.JedisPool;
//import redis.clients.jedis.JedisPoolConfig;
//
//import java.time.Duration;
//
///**
// * @author Capital Letters
// * @title: RedisConfig
// * @projectName oj-homework
// * @description: TODO
// * @date 2022/7/2519:48
// */
//@EnableCaching
//@Configuration
//public class RedisConfig extends CachingConfigurerSupport {
//
//    private static final Logger LOGGER = LoggerFactory.getLogger(RedisConfig.class);
//
//    @Value("${spring.redis.host}")
//    private String host;
//
//    @Value("${spring.redis.port}")
//    private int port;
//
//    @Value("${spring.redis.timeout}")
//    private int timeout;
//
//    @Value("${spring.redis.jedis.pool.max-idle}")
//    private int maxIdle;
//
//    @Value("${spring.redis.jedis.pool.max-wait}")
//    private long maxWaitMillis;
//
//    /**
//     * 返回一个Jedis连接池
//     */
//    @Bean
//    public JedisPool redisPoolFactory() {
//        LOGGER.info("JedisPool注入成功！！");
//        LOGGER.info("redis地址：" + host + ":" + port);
//        JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
//        jedisPoolConfig.setMaxIdle(maxIdle);
//        jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
//
//        JedisPool jedisPool = new JedisPool(jedisPoolConfig, host, port, timeout);
//
//        return jedisPool;
//    }
//
//    @Bean
//    public CacheManager cacheManager(RedisConnectionFactory factory) {
//        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
//        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
//        //解决查询缓存转换异常的问题
//        ObjectMapper om = new ObjectMapper();
//        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
//        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
//        jackson2JsonRedisSerializer.setObjectMapper(om);
//        // 配置序列化（解决乱码的问题）,过期时间600秒
//        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
//                .entryTtl(Duration.ofSeconds(600)) //缓存过期10分钟 ---- 业务需求。
//                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))//设置key的序列化方式
//                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer)) //设置value的序列化
//                .disableCachingNullValues();
//        RedisCacheManager cacheManager = RedisCacheManager.builder(factory)
//                .cacheDefaults(config)
//                .build();
//        return cacheManager;
//    }
//}
